Jimmy is from New Bark Town in the Johto region and is the anime version of Gold. He is familiar to Ash Ketchum which he battles against trainers which have an advantage over his Pokémon so he will learn more he can win in different ways. He has a catch phrase after he has won a battle: "you rock, you rule!". His starter Pokémon was a Cyndaquil which he had obtained from Professor Elm. He has two friends which are from New Bark Town called Marina and Vincent. Jimmy has a crush on Marina because on the Legend of Thunder movie when he was talking to Vincent on the video phone, Vincent was trying to make Jimmy admit he likes Marina so he hung up on him. Jimmy also likes to battle one on one with his trusted Typhlosion.
Jimmy's appearance in the Legend of Thunder! episode arc is he has a yellow and black hat backwards, he wears a red jumper and he wears yellow shorts.
Jimmy's Starter Pokémon. He has used it in many battles and has become very powerful since its time as a Cyndaquil. Typhlosion's known moves are Flamethrower, Flame Wheel and Quick Attack.